| 摘要 |
FIELD: metallurgy, iron and steel industry. ^ SUBSTANCE: invention refers to iron and steel industry, particularly to compositions of chromium iron. It can be used for production of casts operating under heavy impact loads. Iron contains, mas.%: carbon 2.2-2.6; silicon 0.05-0.1; manganese 0.4-0.8; chromium 8.0-10.0; vanadium 0.8-1.2; nickel 3.0-5.0; titanium 0.1-0.3; niobium 1.0-2.0; cobalt 10.0-15.0; hafnium 0.5-1.5; iron - the rest. Iron possesses high fracture strength. ^ EFFECT: producing iron of high fracture strength. ^ 1 tbl |
